Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-05-11
1980-11-18
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02575434
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patent: 3530877 (1970-09-01), Henry
Largen James R.
Shenandoah Manufacturing Co. Inc.
Van Poole Thomas B.
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